1# Copyright (c) 2007 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary
10# compensation for, or commercial advantage from such use. Illustrative
11# examples of non-commercial use are academic research, personal study,
12# teaching, education and corporate research & development.
13# Illustrative examples of commercial use are distributing products for
14# commercial advantage and providing services using the software for
15# commercial advantage.
16#
17# If you wish to use this software or functionality therein that may be
18# covered by patents for commercial use, please contact:
19# Director of Intellectual Property Licensing
20# Office of Strategy and Technology
21# Hewlett-Packard Company
22# 1501 Page Mill Road
23# Palo Alto, California 94304
24#
25# Redistributions of source code must retain the above copyright notice,
26# this list of conditions and the following disclaimer. Redistributions
27# in binary form must reproduce the above copyright notice, this list of
28# conditions and the following disclaimer in the documentation and/or
29# other materials provided with the distribution. Neither the name of
30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31# contributors may be used to endorse or promote products derived from
32# this software without specific prior written permission. No right of
33# sublicense is granted herewith. Derivatives of the software and
34# output created using the software may be prepared, but only for
35# Non-Commercial Uses. Derivatives of the software may be shared with
36# others provided: (i) the others agree to abide by the list of
37# conditions herein which includes the Non-Commercial Use restrictions;
38# and (ii) such Derivatives of the software include the above copyright
39# notice to acknowledge the contribution from this software where
40# applicable, this list of conditions and the disclaimer below.
41#
42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53#
54# Authors: Gabe Black
55
56microcode = '''
57def macroop SYSCALL_64
58{
59 # All 1s.
| 1# Copyright (c) 2007 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary
10# compensation for, or commercial advantage from such use. Illustrative
11# examples of non-commercial use are academic research, personal study,
12# teaching, education and corporate research & development.
13# Illustrative examples of commercial use are distributing products for
14# commercial advantage and providing services using the software for
15# commercial advantage.
16#
17# If you wish to use this software or functionality therein that may be
18# covered by patents for commercial use, please contact:
19# Director of Intellectual Property Licensing
20# Office of Strategy and Technology
21# Hewlett-Packard Company
22# 1501 Page Mill Road
23# Palo Alto, California 94304
24#
25# Redistributions of source code must retain the above copyright notice,
26# this list of conditions and the following disclaimer. Redistributions
27# in binary form must reproduce the above copyright notice, this list of
28# conditions and the following disclaimer in the documentation and/or
29# other materials provided with the distribution. Neither the name of
30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31# contributors may be used to endorse or promote products derived from
32# this software without specific prior written permission. No right of
33# sublicense is granted herewith. Derivatives of the software and
34# output created using the software may be prepared, but only for
35# Non-Commercial Uses. Derivatives of the software may be shared with
36# others provided: (i) the others agree to abide by the list of
37# conditions herein which includes the Non-Commercial Use restrictions;
38# and (ii) such Derivatives of the software include the above copyright
39# notice to acknowledge the contribution from this software where
40# applicable, this list of conditions and the disclaimer below.
41#
42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53#
54# Authors: Gabe Black
55
56microcode = '''
57def macroop SYSCALL_64
58{
59 # All 1s.
|
60 limm t1, "(uint64_t)(-1)"
| 60 limm t1, "(uint64_t)(-1)", dataSize=8
|
61
62 # Save the next RIP.
63 rdip rcx
64
65 # Stick rflags with RF masked into r11.
66 rflags t2
| 61
62 # Save the next RIP.
63 rdip rcx
64
65 # Stick rflags with RF masked into r11.
66 rflags t2
|
67 limm t3, "~RFBit"
| 67 limm t3, "~RFBit", dataSize=8
|
68 andi r11, t2, t3, dataSize=8
69
70 rdval t3, star
71 srli t3, t3, 32, dataSize=8
72 andi t3, t3, 0xFC, dataSize=1
73
74 # Set up CS.
75 wrsel cs, t3
76 wrbase cs, t0, dataSize=8
77 wrlimit cs, t1, dataSize=4
78 # Not writable, read/execute-able, not expandDown,
79 # dpl=0, defaultSize=0, long mode
80 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
| 68 andi r11, t2, t3, dataSize=8
69
70 rdval t3, star
71 srli t3, t3, 32, dataSize=8
72 andi t3, t3, 0xFC, dataSize=1
73
74 # Set up CS.
75 wrsel cs, t3
76 wrbase cs, t0, dataSize=8
77 wrlimit cs, t1, dataSize=4
78 # Not writable, read/execute-able, not expandDown,
79 # dpl=0, defaultSize=0, long mode
80 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
|
81 (0 << 3) | (0 << 5) | (1 << 6))
| 81 (0 << 3) | (0 << 5) | (1 << 6)), dataSize=8
|
82 wrattr cs, t4
83
84 # Set up SS.
85 addi t3, t3, 8
86 wrsel ss, t3
87 wrbase ss, t0, dataSize=8
88 wrlimit ss, t1, dataSize=4
89 # Writable, readable, not expandDown,
90 # dpl=0, defaultSize=0, not long mode
91 limm t4, ((1 << 0) | (1 << 1) | (0 << 2) | \
| 82 wrattr cs, t4
83
84 # Set up SS.
85 addi t3, t3, 8
86 wrsel ss, t3
87 wrbase ss, t0, dataSize=8
88 wrlimit ss, t1, dataSize=4
89 # Writable, readable, not expandDown,
90 # dpl=0, defaultSize=0, not long mode
91 limm t4, ((1 << 0) | (1 << 1) | (0 << 2) | \
|
92 (0 << 3) | (0 << 5) | (0 << 6))
| 92 (0 << 3) | (0 << 5) | (0 << 6)), dataSize=8
|
93 wrattr ss, t4
94
95 # Set the new rip.
96 rdval t7, lstar
97 wrip t0, t7
98
99 # Mask the flags against sf_mask and leave RF turned off.
100 rdval t3, sf_mask, dataSize=8
101 xor t3, t3, t1, dataSize=8
102 and t3, t3, r11, dataSize=8
103 wrflags t3, t0
104};
105
106def macroop SYSCALL_COMPAT
107{
108 # All 1s.
| 93 wrattr ss, t4
94
95 # Set the new rip.
96 rdval t7, lstar
97 wrip t0, t7
98
99 # Mask the flags against sf_mask and leave RF turned off.
100 rdval t3, sf_mask, dataSize=8
101 xor t3, t3, t1, dataSize=8
102 and t3, t3, r11, dataSize=8
103 wrflags t3, t0
104};
105
106def macroop SYSCALL_COMPAT
107{
108 # All 1s.
|
109 limm t1, "(uint64_t)(-1)"
| 109 limm t1, "(uint64_t)(-1)", dataSize=8
|
110
111 # Save the next RIP.
112 rdip rcx
113
114 # Stick rflags with RF masked into r11.
115 rflags t2
| 110
111 # Save the next RIP.
112 rdip rcx
113
114 # Stick rflags with RF masked into r11.
115 rflags t2
|
116 limm t3, "~RFBit"
| 116 limm t3, "~RFBit", dataSize=8
|
117 andi r11, t2, t3, dataSize=8
118
119 rdval t3, star
120 srli t3, t3, 32, dataSize=8
121 andi t3, t3, 0xFC, dataSize=1
122
123 # Set up CS.
124 wrsel cs, t3
125 wrbase cs, t0, dataSize=8
126 wrlimit cs, t1, dataSize=4
127 # Not writable, read/execute-able, not expandDown,
128 # dpl=0, defaultSize=0, long mode
129 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
| 117 andi r11, t2, t3, dataSize=8
118
119 rdval t3, star
120 srli t3, t3, 32, dataSize=8
121 andi t3, t3, 0xFC, dataSize=1
122
123 # Set up CS.
124 wrsel cs, t3
125 wrbase cs, t0, dataSize=8
126 wrlimit cs, t1, dataSize=4
127 # Not writable, read/execute-able, not expandDown,
128 # dpl=0, defaultSize=0, long mode
129 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
|
130 (0 << 3) | (0 << 5) | (1 << 6))
| 130 (0 << 3) | (0 << 5) | (1 << 6)), dataSize=8
|
131 wrattr cs, t4
132
133 # Set up SS.
134 addi t3, t3, 8
135 wrsel ss, t3
136 wrbase ss, t0, dataSize=8
137 wrlimit ss, t1, dataSize=4
138 # Writable, readable, not expandDown,
139 # dpl=0, defaultSize=0, not long mode
140 limm t4, ((1 << 0) | (1 << 1) | (0 << 2) | \
| 131 wrattr cs, t4
132
133 # Set up SS.
134 addi t3, t3, 8
135 wrsel ss, t3
136 wrbase ss, t0, dataSize=8
137 wrlimit ss, t1, dataSize=4
138 # Writable, readable, not expandDown,
139 # dpl=0, defaultSize=0, not long mode
140 limm t4, ((1 << 0) | (1 << 1) | (0 << 2) | \
|
141 (0 << 3) | (0 << 5) | (0 << 6))
| 141 (0 << 3) | (0 << 5) | (0 << 6)), dataSize=8
|
142 wrattr ss, t4
143
144 # Set the new rip.
145 rdval t7, cstar
146 wrip t0, t7
147
148 # Mask the flags against sf_mask and leave RF turned off.
149 rdval t3, sf_mask, dataSize=8
150 xor t3, t3, t1, dataSize=8
151 and t3, t3, r11, dataSize=8
152 wrflags t3, t0
153};
154
155def macroop SYSCALL_LEGACY
156{
157 panic "The syscall instruction isn't implemented in legacy mode."
158};
159
160def macroop SYSRET_TO_64
161{
162 # All 1s.
| 142 wrattr ss, t4
143
144 # Set the new rip.
145 rdval t7, cstar
146 wrip t0, t7
147
148 # Mask the flags against sf_mask and leave RF turned off.
149 rdval t3, sf_mask, dataSize=8
150 xor t3, t3, t1, dataSize=8
151 and t3, t3, r11, dataSize=8
152 wrflags t3, t0
153};
154
155def macroop SYSCALL_LEGACY
156{
157 panic "The syscall instruction isn't implemented in legacy mode."
158};
159
160def macroop SYSRET_TO_64
161{
162 # All 1s.
|
163 limm t1, "(uint64_t)(-1)"
| 163 limm t1, "(uint64_t)(-1)", dataSize=8
|
164
165 rdval t3, star
166 srli t3, t3, 48, dataSize=8
167 ori t3, t3, 3, dataSize=1
168
169 # Set rflags to r11 with RF and VM cleared.
| 164
165 rdval t3, star
166 srli t3, t3, 48, dataSize=8
167 ori t3, t3, 3, dataSize=1
168
169 # Set rflags to r11 with RF and VM cleared.
|
170 limm t4, "~(RFBit | VMBit)"
| 170 limm t4, "~(RFBit | VMBit)", dataSize=8
|
171 and t4, t4, r11, dataSize=8
172 wrflags t4, t0
173
174 # Set up CS.
175 addi t4, t3, 16, dataSize=8
176 wrsel cs, t4
177 wrbase cs, t0, dataSize=8
178 wrlimit cs, t1, dataSize=4
179 # Not writable, read/execute-able, not expandDown,
180 # dpl=3, defaultSize=0, long mode
181 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
| 171 and t4, t4, r11, dataSize=8
172 wrflags t4, t0
173
174 # Set up CS.
175 addi t4, t3, 16, dataSize=8
176 wrsel cs, t4
177 wrbase cs, t0, dataSize=8
178 wrlimit cs, t1, dataSize=4
179 # Not writable, read/execute-able, not expandDown,
180 # dpl=3, defaultSize=0, long mode
181 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
|
182 (3 << 3) | (0 << 5) | (1 << 6))
| 182 (3 << 3) | (0 << 5) | (1 << 6)), dataSize=8
|
183 wrattr cs, t4
184
185 # Only the selector is changed for SS.
186 addi t4, t3, 8, dataSize=8
187 wrsel ss, t4
188
189 # Set the RIP back.
190 wrip rcx, t0, dataSize=8
191};
192
193def macroop SYSRET_TO_COMPAT
194{
195 # All 1s.
| 183 wrattr cs, t4
184
185 # Only the selector is changed for SS.
186 addi t4, t3, 8, dataSize=8
187 wrsel ss, t4
188
189 # Set the RIP back.
190 wrip rcx, t0, dataSize=8
191};
192
193def macroop SYSRET_TO_COMPAT
194{
195 # All 1s.
|
196 limm t1, "(uint64_t)(-1)"
| 196 limm t1, "(uint64_t)(-1)", dataSize=8
|
197
198 rdval t3, star
199 srli t3, t3, 48, dataSize=8
200 ori t3, t3, 3, dataSize=1
201
202 # Set rflags to r11 with RF and VM cleared.
| 197
198 rdval t3, star
199 srli t3, t3, 48, dataSize=8
200 ori t3, t3, 3, dataSize=1
201
202 # Set rflags to r11 with RF and VM cleared.
|
203 limm t4, "~(RFBit | VMBit)"
| 203 limm t4, "~(RFBit | VMBit)", dataSize=8
|
204 and t4, t4, r11, dataSize=8
205 wrflags t4, t0
206
207 # Set up CS.
208 wrsel cs, t3
209 wrbase cs, t0, dataSize=8
210 wrlimit cs, t1, dataSize=4
211 # Not writable, read/execute-able, not expandDown,
212 # dpl=3, defaultSize=1, not long mode
213 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
| 204 and t4, t4, r11, dataSize=8
205 wrflags t4, t0
206
207 # Set up CS.
208 wrsel cs, t3
209 wrbase cs, t0, dataSize=8
210 wrlimit cs, t1, dataSize=4
211 # Not writable, read/execute-able, not expandDown,
212 # dpl=3, defaultSize=1, not long mode
213 limm t4, ((0 << 0) | (1 << 1) | (0 << 2) | \
|
214 (3 << 3) | (1 << 5) | (0 << 6))
| 214 (3 << 3) | (1 << 5) | (0 << 6)), dataSize=8
|
215 wrattr cs, t4
216
217 # Only the selector is changed for SS.
218 addi t4, t3, 8, dataSize=8
219 wrsel ss, t4
220
221 # Set the RIP back.
222 wrip rcx, t0, dataSize=8
223};
224
225def macroop SYSRET_NON_64
226{
227 panic "The sysret instruction isn't implemented in legacy mode."
228};
229'''
230#let {{
231# class SYSENTER(Inst):
232# "GenFault ${new UnimpInstFault}"
233# class SYSEXIT(Inst):
234# "GenFault ${new UnimpInstFault}"
235#}};
| 215 wrattr cs, t4
216
217 # Only the selector is changed for SS.
218 addi t4, t3, 8, dataSize=8
219 wrsel ss, t4
220
221 # Set the RIP back.
222 wrip rcx, t0, dataSize=8
223};
224
225def macroop SYSRET_NON_64
226{
227 panic "The sysret instruction isn't implemented in legacy mode."
228};
229'''
230#let {{
231# class SYSENTER(Inst):
232# "GenFault ${new UnimpInstFault}"
233# class SYSEXIT(Inst):
234# "GenFault ${new UnimpInstFault}"
235#}};
|